Motorcycle engine upper structure



FIG. 1 is a front elevational view of a motorcycle engine upper structure showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front left perspective view thereof; and,

FIG. 7 is a rear and right perspective view thereof.

The motorcycle engine upper structure, which is shown as dark-gray-colored in the drawings forms the claimed design, while the light-grayed-out portions form no part of the claimed design. 

CLAIM The ornamental design for a motorcycle engine upper structure, as shown and described. 